Ruby and sapphire are varieties of the mineral corundum. - Courtesy Hamilton Jewelers Ruby is one variety of the corundum mineral species, which also includes sapphire. Ruby is highly regarded and can ...
Ruby is an incredibly durable gemstone if there are no treatment-related durability concerns. - Courtesy Jan Goodman Co. Hardness and toughness Gem and mineral hardness is measured on the Mohs scale.
Celebrate a 40th wedding anniversary or add some rubies to your jewellery collection with our ruby women’s necklaces. Choose sleek and simple designs or more ornate styles that take their inspiration ...